Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.
Q: Paragraph- Sent 1: How can you describe your location?
Sent 2: You might use a familiar system.
Sent 3: You might say, 'I live at 1234 Main Street, Springfield, Ohio.' You could also say, 'I live right behind the Elementary School.' This method uses the school as a point of reference.
Sent 4: Another example is, I am at the corner of Maple Street and Main Street. Both streets may be a good reference for anyone living in your town.
Sent 5: Scientists must be able to pinpoint a feature they are studying.
Sent 6: Scientists use a special system to describe locations.
Sent 7: They use latitude and longitude as a reference.
Sent 8: Lines of latitude and longitude form a grid.
Sent 9: You may have used a grid system while doing graphing.
Sent 10: This grid is centered on a reference point.
Sent 11: Zero latitude is the equator.
Sent 12: Lines of latitude run east to west.
Sent 13: They divide the Earth from North to South.
Sent 14: Lines of longitude run from north to south.
Sent 15: They divide the Earth from East to West.
Sent 16: Zero longitude runs through Greenwich, England.
Sent 17: You may have heard the term, Greenwich Mean Time, or GMT.
Sent 18: The system of latitude and longitude works well for objects that do not move. 
Question: What are some ways besides latitude and longitude in which people describe location?.
A: 
Using a landmark or cross streets as a point of reference.